// Title: tigra menu
// Description: See the demo at url
// URL: http://www.softcomplex.com/products/tigra_menu/
// Version: 2.0 (commented source)
// Date: 04-05-2003 (mm-dd-yyyy)
// Tech. Support: http://www.softcomplex.com/forum/forumdisplay.php?fid=40
// Notes: This script is free. Visit official site for further details.

// --------------------------------------------------------------------------------
var isIE=document.all?1:0;
// global collection containing all menus on current page
var active_state_ids;
var A_MENUS = [];

// --------------------------------------------------------------------------------
// menu class
function menu (a_items, a_tpl) {

	// browser check
	if (!document.body || !document.body.style)
		return;

	// store items structure
	this.a_config = a_items;

	// store template structure
	this.a_tpl = a_tpl;

	// get menu id
	this.n_id = A_MENUS.length;

	// declare collections
	this.a_index = [];
	this.a_children = [];

	// assigh methods and event handlers
	this.expand			= menu_expand;
	this.collapse		= menu_collapse;

	this.onclick		= menu_onclick;
	this.onmouseout		= menu_onmouseout;
	this.onmouseover	= menu_onmouseover;
	this.onmousedown	= menu_onmousedown;
	this.fadein			= menu_fadein;
	this.fadeout		= menu_fadeout;
	this.toggleelements = menu_toggleelements;
	
	// default level scope description structure 
	this.a_tpl_def = {
		'block_top'  : 16,
		'block_left' : 16,
		'top'        : 20,
		'left'       : 4,
		'width'      : 120,
		'height'     : 22,
		'hide_delay' : 0,
		'expd_delay' : 0,
		'css'        : {
			'inner' : '',
			'outer' : ''
		}
	};
	
	// assign methods and properties required to imulate parent item
	this.getprop = function (s_key) {
		return this.a_tpl_def[s_key];
	};

	this.o_root = this;
	this.n_depth = -1;
	this.n_x = 0;
	this.n_y = 0;
	this.fade_item = [];

	// 	init items recursively
	for (n_order = 0; n_order < a_items.length; n_order++){
		new menu_item(this, n_order);
	}

	// register self in global collection
	A_MENUS[this.n_id] = this;

	// make root level visible
	for (var n_order = 0; n_order < this.a_children.length; n_order++)
		this.a_children[n_order].e_oelement.style.visibility = 'visible';

}

// --------------------------------------------------------------------------------
function menu_collapse (n_id) {
	// cancel item open delay
	clearTimeout(this.o_showtimer);

	// by default collapse to root level
	var n_tolevel = (n_id ? this.a_index[n_id].n_depth : 0);
	
	// hide all items over the level specified
	for (n_id = 0; n_id < this.a_index.length; n_id++) {
		var o_curritem = this.a_index[n_id];
		if (o_curritem.n_depth > n_tolevel && o_curritem.b_visible) {
//			this.fade_item[n_id] = o_curritem.e_oelement;
//			this.fadeout(n_id, 80);
			o_curritem.e_oelement.style.visibility = 'hidden';
			o_curritem.b_visible = false;
		}
	}
//	this.toggleelements(1);

	// reset current item if mouse has gone out of items
	if (!n_id)
		this.o_current = null;
}

// --------------------------------------------------------------------------------
function menu_fadeout (n_order, fade_out){
	if(fade_out > 0 && fade_out <= this.n_trans){
		fade_out -= 2;
		this.fade_item[n_order].style.MozOpacity = eval(fade_out / 100);
		this.fade_item[n_order].style.filter = 'alpha(opacity='+ fade_out +')';
		setTimeout('A_MENUS['+ this.n_id +'].fadeout('+ n_order +', '+ fade_out +')', 2);
	}
}

// --------------------------------------------------------------------------------
function menu_expand (n_id) {

	// expand only when mouse is over some menu item
	if (this.o_hidetimer)
		return;

	// lookup current item
	var o_item = this.a_index[n_id];
	
	//lookup root parent
	var o_root = o_item.o_parent;
	while(o_root.o_parent){
		o_root = o_root.o_parent;
	}

	// close previously opened items
	if (this.o_current && this.o_current.n_depth >= o_item.n_depth)
		this.collapse(o_item.n_id);
	this.o_current = o_item;

	// exit if there are no children to open
	if (!o_item.a_children)
		return;

	// show direct child items
	for (var n_order = 0; n_order < o_item.a_children.length; n_order++) {
		var o_curritem = o_item.a_children[n_order];
		// lonux extension start
		if(!o_root.static_width){  //on horizontal orientation for main menu items only
			o_curritem.n_x = n_order
				? o_curritem.calcx(o_item.a_children[n_order - 1].e_oelement) + o_curritem.getprop('left')
				: o_curritem.calcx(o_item.e_oelement) + o_curritem.getprop('block_left');
			o_curritem.e_oelement.style.left = o_curritem.n_x+'px';
		}
		if(!o_curritem.static_height){ // for sub menus only
			o_curritem.n_y = n_order
				? o_curritem.calcy(o_item.a_children[n_order - 1].e_oelement) + o_curritem.calch(o_item.a_children[n_order - 1].e_oelement) + o_curritem.getprop('top')
				: o_curritem.calcy(o_item.e_oelement) + o_curritem.getprop('block_top');
			o_curritem.e_oelement.style.top = o_curritem.n_y+'px';
		}
		// lonux extension end
		o_curritem.e_oelement.style.visibility = 'visible';
		o_curritem.b_visible = true;
		if(o_item.getprop('fading')>0){
			this.fade_item[n_order] = o_curritem;
			this.fadein(n_order, 0, o_item.getprop('fading'), 5);
		}
	}
//	this.toggleelements(0);
}

// --------------------------------------------------------------------------------
function menu_fadein (n_order, fade_in, fade_until, fade_step){
	if(fade_in < eval(fade_until-fade_step)){
		fade_in += fade_step;
		this.fade_item[n_order].e_oelement.style.MozOpacity = eval(fade_in / 100);
		this.fade_item[n_order].e_oelement.style.filter = 'alpha(opacity='+ fade_in +')';
		setTimeout('A_MENUS['+ this.n_id +'].fadein('+ n_order +', '+ fade_in +', '+ fade_until +', '+ fade_step +')', 2);
	}else{
		this.fade_item[n_order].e_oelement.style.MozOpacity = eval(fade_until / 100);
		this.fade_item[n_order].e_oelement.style.filter = 'alpha(opacity='+ fade_until +')';
	}
}

// --------------------------------------------------------------------------------
function menu_toggleelements (show){
	if (!isIE) return;
	
	var tags = ['select', 'iframe'];

	for (var tag in tags){
		var elements = document.getElementsByTagName(tags[tag]);
		for (var i = 0; i < elements.length; i++) elements[i].style.visibility = show ? 'visible' : 'hidden';
	}
}

// --------------------------------------------------------------------------------
function menu_onclick (n_id) {
	// don't go anywhere if item has no link defined
	return Boolean(this.a_index[n_id].a_config[1]);
}

// --------------------------------------------------------------------------------
function menu_onmouseout (n_id) {

	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// apply rollout
	o_item.e_oelement.className = o_item.getstyle(0, 0);
	o_item.e_ielement.className = o_item.getstyle(1, 0);
	// lonux extension start
	if(o_item.curr_outer_class && o_item.curr_inner_class){
		o_item.e_oelement.className = o_item.curr_outer_class;
		o_item.e_ielement.className = o_item.curr_inner_class;
	}

	var parent = o_item;
	if(o_item.n_depth){
		for(var i = 0; i < o_item.n_depth; i++){
			parent = parent.o_parent;
			if(parent.e_oelement && parent.e_ielement){
				if(parent.curr_outer_class && parent.curr_inner_class){
					parent.e_oelement.className = parent.curr_outer_class;
					parent.e_ielement.className = parent.curr_inner_class;
				}else{
					parent.e_oelement.className = parent.getstyle(0, 0);
					parent.e_ielement.className = parent.getstyle(1, 0);
				}
			}
		}
	}
//	o_item.e_oelement.className = o_item.getstyle(0, 0);
//	o_item.e_ielement.className = o_item.getstyle(1, 0);
	// lonux extension end
	
	// update status line	
	o_item.upstatus(7);

	// run mouseover timer
	this.o_hidetimer = setTimeout('A_MENUS['+ this.n_id +'].collapse();',
		o_item.getprop('hide_delay'));
}

// --------------------------------------------------------------------------------
function menu_onmouseover (n_id) {

	// cancel mouseoute menu close and item open delay
	clearTimeout(this.o_hidetimer);
	this.o_hidetimer = null;
	clearTimeout(this.o_showtimer);

	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// update status line	
	o_item.upstatus();

	// apply rollover
	o_item.e_oelement.className = o_item.getstyle(0, 1);
	o_item.e_ielement.className = o_item.getstyle(1, 1);
	
	// lonux extension start
	var parent = o_item;
	if(o_item.n_depth){
		for(var i = 0; i < o_item.n_depth; i++){
			parent = parent.o_parent;
			if(parent.e_oelement && parent.e_ielement){
				parent.e_oelement.className = parent.getstyle(0, 1);
				parent.e_ielement.className = parent.getstyle(1, 1);
			}
		}
	}
	// lonux extension end
	
	// if onclick open is set then no more actions required
	if (o_item.getprop('expd_delay') < 0)
		return;
	
	// run expand timer
	this.o_showtimer = setTimeout('A_MENUS['+ this.n_id +'].expand(' + n_id + ');',
		o_item.getprop('expd_delay'));
	
}

// --------------------------------------------------------------------------------
// called when mouse button is pressed on menu item
// --------------------------------------------------------------------------------
function menu_onmousedown (n_id) {
	
	// lookup new item's object	
	var o_item = this.a_index[n_id];

	// apply mouse down style
	o_item.e_oelement.className = o_item.getstyle(0, 2);
	o_item.e_ielement.className = o_item.getstyle(1, 2);

	this.expand(n_id);
//	this.items[id].switch_style('onmousedown');
}

// --------------------------------------------------------------------------------
// menu item Class
function menu_item (o_parent, n_order) {

	// static width used or not
	this.static_width = true;
	// static height used or not
	this.static_height = true;
	
	// store parameters passed to the constructor
	this.n_depth  = o_parent.n_depth + 1;
	this.a_config = o_parent.a_config[n_order + (this.n_depth ? 3 : 0)];

	// return if required parameters are missing
	if (!this.a_config) return;

	// store info from parent item
	this.o_root    = o_parent.o_root;
	this.o_parent  = o_parent;
	this.n_order   = n_order;

	// register in global and parent's collections
	this.n_id = this.o_root.a_index.length;
	this.o_root.a_index[this.n_id] = this;
	o_parent.a_children[n_order] = this;

	// calculate item's coordinates
	var o_root = this.o_root,
		a_tpl  = this.o_root.a_tpl;

	// assign methods
	this.getprop  = mitem_getprop;
	this.getstyle = mitem_getstyle;
	this.upstatus = mitem_upstatus;
	this.calcx	  = mitem_calcx;
	this.calcy	  = mitem_calcy;
	this.calch	  = mitem_calch;
	this.calcw	  = mitem_calcw;

// lonux extension start
	this.n_x = n_order
		? o_parent.a_children[n_order - 1].n_x + this.getprop('left')
		: o_parent.n_x + this.getprop('block_left');

	this.n_y = n_order
		? o_parent.a_children[n_order - 1].n_y + this.getprop('top')
		: o_parent.n_y + this.getprop('block_top');

//	if(!this.n_depth) this.static_width = this.getprop('width');
	this.static_width = this.getprop('width');
	this.static_height = this.getprop('height');
	var width = this.getprop('width') ? this.getprop('width')+'px;' : 'auto;';
	var height = this.getprop('height') ? this.getprop('height')+'px;' : 'auto;';
	
	if(this.static_width){ // for main menu items on horizontal orientation only
		var position =	' style="position: absolute;'
						+ ' top: ' + this.n_y + 'px;'
						+ ' left: ' + this.n_x + 'px;'
						+ ' width: ' + width
						+ ' height: ' + height + ' visibility: hidden;'
	}else{
		if(this.n_depth){
			var position =	' style="position: absolute;'
							+ ' top: 0px; left: 0px;'
							+ ' width: ' + width
							+ ' height: ' + height + ' visibility: hidden;';
		}else{
			var position =	' style="float: left; width: auto; height: ' + height + ' visibility: hidden;';
		}
	}

	var href=this.a_config[1];
	var target='_self';
	if(this.a_config[2]){
		switch (this.a_config[2]['tw']) {
			case '0':
			break;
			case '1':
				href='javascript:LxPopupWindow(\''+this.a_config[1]+'\',0,0,\'yes\',\'yes\',\'yes\',\'yes\',\'yes\')';
				target='';
			break;
			case '2':
				href='javascript:LxPopupWindow(\''+this.a_config[1]+'\',0,0,\'no\',\'no\',\'no\',\'no\',\'no\')';
				target='';
			break;
			case '3':
				href='';
				target='';
			break;
		}
	}
	
	var l0_class = this.getstyle(0, 0);
	var l1_class = this.getstyle(1, 0);
	for(var i=0;i<active_state_ids.length;i++){
		if(this.a_config[2]['itemid'] == active_state_ids[i]){
			l0_class = this.getstyle(0, 1);
			l1_class = this.getstyle(1, 1);
			// current class (item's active state)
			this.curr_outer_class = l0_class;
			this.curr_inner_class = l1_class;
			break;
		}
	}
	
// lonux extension end

	// generate item's HMTL
	var html_row =
		'<a id="e' + o_root.n_id + '_'
// lonux extension start
			+ this.n_id +'o" class="' + l0_class + '" href="' + href + '"'
			+ ' target="' + target + '"' 
//			+ this.n_id +'o" class="' + this.getstyle(0, 0) + '" href="' + this.a_config[1] + '"'
//			+ (this.a_config[2] && this.a_config[2]['tw'] ? ' target="'
//			+ this.a_config[2]['tw'] + '"' : '') 

			+ position
//			+ ' style="position: absolute; top: '
//			+ this.n_y + 'px; left: ' + this.n_x + 'px; width: '
//			+ this.getprop('width') + 'px; height: '
//			+ this.getprop('height') + 'px; visibility: hidden;'
			+' z-index: 10' + this.n_depth + ';" '
//			+' z-index: ' + this.n_depth + ';" '
// lonux extension end
			+ 'onclick="return A_MENUS[' + o_root.n_id + '].onclick('
			+ this.n_id + ');" onmouseout="A_MENUS[' + o_root.n_id + '].onmouseout('
			+ this.n_id + ');" onmouseover="A_MENUS[' + o_root.n_id + '].onmouseover('
			+ this.n_id + ');" onmousedown="A_MENUS[' + o_root.n_id + '].onmousedown('
			+ this.n_id + ');"><div ' + this.a_config[2]['div_style'] + ' id="e' + o_root.n_id + '_'
// lonux extension start
			+ this.n_id +'i" class="' + l1_class + '">'
//			+ this.n_id +'i" class="' + this.getstyle(1, 0) + '">'
// lonux extension end
			+ this.a_config[0] + '</div></a>' + "\n";


	document.write(html_row);
//	document.write("<xmp>" + html_row + "</xmp>");
	
	this.e_ielement = document.getElementById('e' + o_root.n_id + '_' + this.n_id + 'i');
	this.e_oelement = document.getElementById('e' + o_root.n_id + '_' + this.n_id + 'o');

	this.b_visible = !this.n_depth;

	// no more initialization if leaf
	if (this.a_config.length < 4)
		return;

	// node specific methods and properties
	this.a_children = [];

	// init downline recursively
	for (var n_order = 0; n_order < this.a_config.length - 3; n_order++)
		new menu_item(this, n_order);
}

// --------------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// ------------------------------------------------------------------------------------------
function mitem_getprop (s_key) {

	// check if value is defined for current level
	var s_value = null,
		a_level = this.o_root.a_tpl[this.n_depth];

	// return value if explicitly defined
	if (a_level)
		s_value = a_level[s_key];

	// request recursively from parent levels if not defined
	return (s_value == null ? this.o_parent.getprop(s_key) : s_value);
}

// --------------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// ------------------------------------------------------------------------------------------
function mitem_getstyle (n_pos, n_state) {

	var a_css = this.getprop('css');
	var a_oclass = a_css[n_pos ? 'inner' : 'outer'];

	// same class for all states	
	if (typeof(a_oclass) == 'string')
		return a_oclass;

	// inherit class from previous state if not explicitly defined
	for (var n_currst = n_state; n_currst >= 0; n_currst--)
		if (a_oclass[n_currst])
			return a_oclass[n_currst];
}

// ------------------------------------------------------------------------------------------
// updates status bar message of the browser
// ------------------------------------------------------------------------------------------
function mitem_upstatus (b_clear) {
	window.setTimeout("window.status=unescape('" + (b_clear
		? ''
		: (this.a_config[2] && this.a_config[2]['sb']
			? escape(this.a_config[2]['sb'])
			: escape(this.a_config[0]) + (this.a_config[1]
				? ' ('+ escape(this.a_config[1]) + ')'
				: ''))) + "')", 10);
}

//function mitem_calcx (obj, elm) {
function mitem_calcx (obj) {
/*	var x = 0;
	while (obj && obj != elm)
	{
		x += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	if (obj == elm || !elm)
		return x;
	return get_x(elm) - x;*/
	return obj.offsetLeft;
}

function get_x (obj) {
	var x = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			x += obj.offsetLeft;
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		x += obj.x;
	
	return x;
}

//function mitem_calcy (obj, elm) {
function mitem_calcy (obj) {
/*	var y = 0;
	while (obj && obj != elm) {
		y += obj.offsetTop;
		obj = obj.offsetParent;
	}

	if (obj == elm || !elm)
		return y;
	return get_y(elm) - y;*/
	return obj.offsetTop;
}

function get_y (obj) {
	var y = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			y += obj.offsetTop;
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		y += obj.y;
	return y;
}

function mitem_calch (obj) {
	return obj.offsetHeight;
}

function mitem_calcw (obj) {
	return obj.offsetWidth;
}

function recalc_div (align){
	var div_width = 0;
	if(A_MENUS[A_MENUS.length-1].a_children.length){
		for(i=0; i<A_MENUS[A_MENUS.length-1].a_children.length; i++){
			if(!A_MENUS[A_MENUS.length-1].a_children[i].static_width){
				div_width += A_MENUS[A_MENUS.length-1].a_children[i].e_oelement.offsetWidth;
			}
		}
	}
	
	if(div_width){
		document.getElementById(div_id).style.width = div_width+'px';
//		if(align=='center'){
//			document.getElementById(div_id).style.left = '50%';
//			document.getElementById(div_id).style.marginLeft = '-'+eval(div_width/2)+'px';
//		}
//		alert('-'+eval(div_width/2)+'px');
	}
}

// --------------------------------------------------------------------------------
// that's all folks